The plugin on this page, when activated, puts an entry in your PHP log any time a deprecated function is called, or a deprecated file is included. The entry is far more useful than the default WordPress log notice – this one tells you the name of the function, the exact file that called it, the line the call was on, and what new function, if any, you should use instead.
With picasaView you can easily view your picasaweb-albums in your WordPress blog.
This is not actually plugin, but base class you can use to extend and create your own plugin. Along with the base class, you have a Wizard for creating plugins using base class.
Add Digg Button Into WordPress Content with four prefix template
Displays a new header image in your blog based on different time variables.
A simple plugin to create a special links page or blogroll page with embedded nofollow tag to prevent PageRank leak.
The AVH Amazon plugin give you the abillity to add multiple widgets which will display a random item from your Amazon wishlist, baby registry and/or wedding registry.
WPG2 is a WordPress Plug-in that embeds Gallery2 within WordPress to share photos, videos and any other Gallery2 content seamlessly into the WordPress Sidebar and Blog entries.